Caltrans SIAD - Information for Gwynn Neilson

Technician Information for Gwynn Neilson

First Name	Gwynn
Last Name	Neilson
Technician ID	03850

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Associated Labs

Total 2 items.

Lab Name	Manager Name	Full Address	District	Page Alias
Garco Testing Laboratories - San Jose	Corina Wong	2326 Kruse Drive, San Jose, CA 95131	4	Lab 1
GarcoTesting Laboratories - Pleasanton	Corina Wong	1544 Stanley Boulevard, Pleasanton, CA 94566	4	Lab 2

Test Methods

California Test (CT) Certifications

Total 4 items.

Test Method	Expiration Date	Status	IA Responsible	Within Lab(s) Scope	Comments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)

AASHTO/ASTM Proficiencies

Total 21 items.

Test Method	Expiration Date	Status	IA Responsible	Within Lab(s) Scope	Comments
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)	2026-01-26	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)	2026-01-26	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)	2026-01-26	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)	2026-01-26	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)	2026-01-26	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
ASTM D4791 Flat and Elongated Particles	2025-10-04	Active	David Small	Lab 1	(No comments)
AASHTO T84 SpG & Absorption - Fine Aggregates	2025-09-12	Active	David Small	Lab 1, Lab 2	(No comments)
AASHTO T85 SpG & Absorption - Coarse Aggregates	2025-09-12	Active	David Small	Lab 1, Lab 2	(No comments)
AASHTO T96 L.A. Rattler	2025-09-12	Active	David Small	Lab 1	(No comments)
AASHTO T283 Moisture Induced Damage (TSR)	2025-09-12	Active	David Small	Lab 1	(No comments)
AASHTO T304 Uncompacted Void - Fine Aggregate	2025-09-12	Active	David Small	Lab 1, Lab 2	(No comments)
AASHTO T312 Gyratory Compactor	2025-09-12	Active	David Small	Lab 1	(No comments)
AASHTO T324 Hamburg Wheel-Track	2025-09-12	Active	David Small	Lab 1	(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)	2025-03-18	Active	Avinash Ralla	Lab 1, Lab 2	(No comments)

For concerns with missing or erroneous data, please contact your Independent Assurance personnel